body,html {
    font-size: 1.2em;
    height: 80%;
    margin: 0;
    padding: 0;
    width: 100%
}

.main {
    height: 80%;
    margin: 30px auto;
    width: 90%
}

textarea {
    font-size: 1em
}

input {
    font-size: .8em;
    height: 50px;
    margin-top: 10px;
    width: 120px
}

pre {
    margin: 10px 0
}

div {
    position: relative
}

pre+i {
    color: gray;
    position: absolute;
    right: 30px;
    top: 10px
}

i+i {
    color: gray;
    position: absolute;
    right: 10px;
    top: 10px
}

i+i:hover,pre+i:hover {
    color: #fff;
    cursor: pointer
}
